Pokemon Gold, Silver and Crystal Wiki Guide

Union Cave

You have to go through these caves to get to the next Gym challenge. While you are battling the trainers here, don't forget to fully explore the area; there's a Potion, Great Ball, X Attack and an Awakening to be had here. Past Pokemaniac Larry there's a ladder that leads down to a deeper level of the cave, where you can find an X Defend and more importantly TM39, which can grant one of your Pokemon the never-misses Swift attack.

Surf and Strength will grant you access to the deeper levels of this cave. There are more trainers to battle, and an Elixer and Hyper Potion to pick up. The big news, however, is Lapras.

This is an excellent Water/Ice Pokemon that only shows up here, at the south end of the cave's lowest level, and only on Fridays. You really want this Pokemon on hand for the final battles of the game, so prepare well to catch it (save the game beforehand and stock up on Heavy Balls).